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Finding the Fourth Proportional to 35,305.92, 48,721.97 and 19,173.56

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Solution

The fourth proportional to 35,305.92, 48,721.97 and 19,173.56 is: 26,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,305.92 : 48,721.97 = 19,173.56 : x
  2. Step 2: Convert to fraction form
    35,305.92/48,721.97 = 19,173.56/x
  3. Step 3: Cross multiply
    35,305.92x = 48,721.97 × 19,173.56
  4. Step 4: Simplify right side
    35,305.92x = 934,173,419.44
  5. Step 5: Solve for x
    x = 934,173,419.44/35,305.92
  6. Step 6: Final answer
    x = 26,459.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.